The reason I don't say the book is because the essay calls specifically for the deeds of Joan of Arc. Joan of Arc is mostly known for her military deeds, and for this reason I say that encyclopedia as a opposed to just a book about them. Encyclopedias are rife with information, books don't have to provide much.
north africa was a key point of many of the allied attacks against the axis powers durring WWII. Hitler wanted it so as to make it harder for the allies to attack his capture empire
